5 is adaptation, 7 is transpiration
If they didn't adapt, they couldn't survive in the changed environment.
Because abiotic factors determine the kind of organisms that are able to live in certain conditions.
In fetal circulation, the ductus venosus bypasses the liver and the ductus arteriousus bypasses the lungs. Ductus arteriosus also called ductus botalli is a blood vessel connecting the main pulmonary artery to the proximal ascending aorta. It does allow most of the blood from right ventricle to bypass the fetus's fluid-filled non-functioning lungs. Ductus venosus on the hand allows oxygenated blood from the placenta to bypass the liver.
What’s the question.....................
They contract to move the body ok thanks and bye
